Chart Review Lab
Checking datafeed Advanced Charts pending Local renderer

Evidence Bench

Alpaca annotation prototype

A local chart renderer for explicit chart-review overlays, inspectable values, and source metadata while Advanced Charts access is pending.

Main page Widget fallback Advanced Charts scaffold Evidence handoff Datafeed status
Source /api/datafeed/history
Latest bar Waiting for data
Review window Not loaded
Loading Alpaca-backed candles

Fetching OHLCV through the existing server-side UDF datafeed.

Data path: browser to Chart Review Lab UDF endpoint to Alpaca Market Data. Review overlays are deterministic artifacts for inspection only.